2008+20082008+200820082008除以2009+20092009+200920092009

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/03 23:49:47
2008+20082008+200820082008除以2009+20092009+200920092009

2008+20082008+200820082008除以2009+20092009+200920092009
2008+20082008+200820082008除以2009+20092009+200920092009

2008+20082008+200820082008除以2009+20092009+200920092009
(2008+20082008+200820082008)/(2009+20092009+200920092009)
=2008(1+10001+100010001)/[2009(1+10001+100010001)]
=2008/2009

原式=﹙2008+2008×10001+2008×100010001﹚÷﹙2009+2009×10001+2009×100010001﹚
=2008×﹙1+10001+100010001﹚÷[2009×﹙1+10001+100010001﹚]
=2008÷2009
=2008/2009